Species Details

Tripterocalyx micranthus

small-flowered sand-verbena

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Classification

Scientific Name: Tripterocalyx micranthus (Torr.) Hook.
Common Name: small-flowered sand-verbena
Family:	Nyctaginaceae
Element Code:	PDNYC0G030
USDA Plants Symbol:	TRMI6
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S1
Other Status:
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12
Add Date:	2001-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb
Blooming Period: Apr-May
Elevation: 550 - 855 meters 1805 - 2805 feet
General Habitat: Desert dunes Mojavean desert scrub (sandy)
General Micro Habitat:
Micro Habitat:

Notes

Notes: Known in CA only from near Kelso. Possibly threatened by grazing. See Brittonia 27(4):328-347 (1975) for taxonomic treatment.
Threats:
Taxonomy:
Other:

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					3
A	B	C	D	X	U
0	0	0	0	0	3

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	0

Presence:
Presumed Extant	3
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Arizona (AZ), California (CA), Colorado (CO), Kansas (KS), Montana (MT), Nebraska (NE), Nevada (NV), New Mexico (NM), North Dakota (ND), South Dakota (SD), Utah (UT), Wyoming (WY)

California Counties and Islands: Name (Code)
San Bernardino (SBD)

Quads: Name (Quad Code)
Kelso Dunes (3411586)

Notes:

Definitions of codes following a county and/or quad:
*		Presumed extirpated
(?)		Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.

Regional Map

Map

Presumed Extant

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Counties Quads

CNPS Rare Plant Inventory